Alright, let's work through 70745859 times 51664847 step by step
70745859 × 51664847 = 51664847 × (70745859)
+ 51664847 × 9 producing 464983623
+ 51664847 × 50 producing 2583242350
+ 51664847 × 800 that is equal 41331877600
+ 51664847 × 5000 that equals 258324235000
+ 51664847 × 40000 that results in 2066593880000
+ 51664847 × 700000 which equals 36165392900000
+ 51664847 × 0000000 that is equal 0
+ 51664847 × 70000000 which equals 3616539290000000

= 3655073981118573
